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Diffstat (limited to '')
-rw-r--r-- | src/common/binary_find.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/common/binary_find.h b/src/common/binary_find.h new file mode 100644 index 000000000..5cc523bf9 --- /dev/null +++ b/src/common/binary_find.h @@ -0,0 +1,21 @@ +// Copyright 2019 yuzu emulator team +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#pragma once + +#include <algorithm> + +namespace Common { + +template <class ForwardIt, class T, class Compare = std::less<>> +ForwardIt BinaryFind(ForwardIt first, ForwardIt last, const T& value, Compare comp = {}) { + // Note: BOTH type T and the type after ForwardIt is dereferenced + // must be implicitly convertible to BOTH Type1 and Type2, used in Compare. + // This is stricter than lower_bound requirement (see above) + + first = std::lower_bound(first, last, value, comp); + return first != last && !comp(value, *first) ? first : last; +} + +} // namespace Common |